"""Tests for TOML converter."""

import pytest
import tempfile
import os
import sys

from config_convert.converters import TOMLConverter


class TestTOMLConverter:
    @pytest.fixture
    def converter(self):
        return TOMLConverter()

    def test_loads_valid_toml(self, converter):
        data = 'name = "test"\nvalue = 123'
        result = converter.loads(data)
        assert result == {"name": "test", "value": 123}

    def test_loads_nested_toml(self, converter):
        data = """[database]
host = "localhost"
port = 5432
"""
        result = converter.loads(data)
        assert result == {"database": {"host": "localhost", "port": 5432}}

    def test_loads_array_toml(self, converter):
        data = 'tags = ["a", "b", "c"]'
        result = converter.loads(data)
        assert result == {"tags": ["a", "b", "c"]}

    def test_loads_boolean_toml(self, converter):
        data = 'enabled = true\ndisabled = false'
        result = converter.loads(data)
        assert result == {"enabled": True, "disabled": False}

    def test_dumps_basic_dict(self, converter):
        data = {"name": "test", "value": 123}
        result = converter.dumps(data)
        assert 'name = "test"' in result

    def test_dumps_nested_dict(self, converter):
        data = {"database": {"host": "localhost"}}
        result = converter.dumps(data)
        assert "[database]" in result

    def test_roundtrip(self, converter):
        original = {"name": "test", "version": "1.0.0", "enabled": True}
        dumped = converter.dumps(original)
        loaded = converter.loads(dumped)
        assert loaded == original

    def test_load_file(self, converter, temp_file, sample_toml):
        gen = temp_file(sample_toml, suffix=".toml")
        path = next(gen)
        try:
            result = converter.load(path)
            assert result["name"] == "test-project"
        finally:
            os.unlink(path)

    def test_dump_file(self, converter, temp_dir, sample_toml):
        path = tempfile.mktemp(suffix=".toml")
        try:
            if sys.version_info >= (3, 11):
                import tomllib
            else:
                import tomli as tomllib
            data = tomllib.loads(sample_toml)
            converter.dump(data, path)
            result = converter.load(path)
            assert result == data
        finally:
            if os.path.exists(path):
                os.unlink(path)

    def test_invalid_toml_raises(self, converter):
        with pytest.raises(Exception):
            converter.loads('invalid = "toml" extra')